I've been keeping this as a gift, thinking I might use it if I ran out of my own, but I haven't had the chance. It seems to be from about two generations ago (WPP → W → I). It has been stored at home, in a dark place. I look forward to purchases from those who understand. The following is copied from the Crystal Gemmy website: ↓↓↓↓↓↓↓↓↓ All-in-one for wrinkle improvement, whitening※1, and preventing skin irritation. Formulated with the active ingredients niacinamide and dipotassium glycyrrhizate, making it a "W-medicinal" product. It improves wrinkles, provides whitening※1 care, prevents skin irritation, and leads to bright, radiant skin with a firm, supple feel. It contains moisturizing ingredients such as 3 types of ceramide※2, 3 types of vitamin C derivatives※3, as well as plant-derived ingredients such as Alteromonas ferment extract, Geranium extract, and Tuberose polysaccharide liquid-BG. The rich cream, containing 96.9%※4 beauty ingredients, is full of moisture and prepares the skin for smoothness. This all-in-one product serves 9 roles (serum, lotion, emulsion, cream, pack, makeup base, gloss (for skin radiance), massage cream, body cream). By using it as a pack or massage cream, you can aim for transparent, beautiful skin. ☆This product has the effect of improving wrinkles. ☆This product has undergone efficacy evaluation testing to make fine lines caused by dryness less noticeable. ※1 Whitening: Suppresses the production of melanin and prevents spots and freckles. ※2 N-stearoyl phytosphingosine, N-stearoyl dihydrosphingosine, Hydroxystearyl phytosphingosine ※3 Tetra-2-hexyldecyl ascorbate, Magnesium L-ascorbyl phosphate, 3-O-ethyl ascorbic acid ※4 Includes purified water